A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 13
A peculiar condition of the endocyst of Lophopus , though most probably only
abnormal , must be mentioned here . In specimens of this Polyzoon which had
been kept for a few days , and occasionally in some just captured , multitudes of ...
A peculiar condition of the endocyst of Lophopus , though most probably only
abnormal , must be mentioned here . In specimens of this Polyzoon which had
been kept for a few days , and occasionally in some just captured , multitudes of ...
Página 30
The fibres of the great retractor muscle are distinctly marked with transverse striæ
, a condition , however , which is not at all times equally perceptible ; and some of
our best observers have denied to the Polyzoa the existence of striated fibre .
The fibres of the great retractor muscle are distinctly marked with transverse striæ
, a condition , however , which is not at all times equally perceptible ; and some of
our best observers have denied to the Polyzoa the existence of striated fibre .
Página 38
In some cases , however , the cellular condition of one or both discs is very
obscure . The annulus is also composed of cells , which here occur in several
layers ; these cells are also for the most part larger than those of the disc and of a
...
In some cases , however , the cellular condition of one or both discs is very
obscure . The annulus is also composed of cells , which here occur in several
layers ; these cells are also for the most part larger than those of the disc and of a
...
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A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
Términos y frases comunes
adherent admit Alcyonella alimentary alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British canal cavity cell characters cilia closely complete condition connected consists constitutes contained continuous corresponding Cristatella crown described detected disc distinct Dumortier ectocyst edit endocyst entire epistome examined existence extending external extremity fibres fluid Fredericella fresh-water Polyzoa genera genus Gervais gives important internal latter layer Leidy lophophore Lophopus margin mass Mém membrane memoir minute mouth muscles Natural naturalists nearly observed occur organs orifice Original figures Paludicella passes Plumatella Plumatella repens Polype polypide Polyzoon portion present published relations repens resemblance retraction retractor Rösel seen separated sheath side space species specimens statoblasts stomach stones structure surface surrounding tentacula transparent transverse Trembley true tubes Tubularia tunic Tunicata walls whole young
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, George James Allman Volumen13 de DE-601)130488305: Ray Society Publications, Ray Society Ray Society, Ray Society Volumen28 de Ray society ... [Publications |
| Autor | George James Allman |
| Editor | Ray Society, 1856 |
| Procedencia del original | Universidad de Michigan |
| Digitalizado | 13 Feb. 2012 |
| Largo | 119 páginas |
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